Java 32 bit runtime under 64 bit firefox ?

I want to use 32 bit java runtime on my 64 bit Ubuntu 12.04 system. jre installation includes configuration of the java plugin for the firefox. is there any compatibility issues I should know about?

Firefox doesn't see the java plugin! This is what I did:
0. //ubuntu amd64: install g++-multilib
1. # cp jdk-6u35-linux-i586.bin /opt/java/
2. # cd /opt/java/
3. # ./jdk-6u35-linux-i586.bin
4. # update-alternatives --install /usr/bin/java java /opt/java/jdk1.6.0_35/bin/java 100
5. # update-alternatives --install /usr/bin/javaws javaws /opt/java/jdk1.6.0_35/bin/javaws 100
6. # update-alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so libjavaplugin.so /opt/java/jdk1.6.0_35/jre/lib/i386/libnpjp2.so 100
7. # update-alternatives --config java
8. # java -version
9. $ JAVA_HOME=/opt/java/jdk1.6.0_35/
10. $ export JAVA_HOME
11. $ PATH=$PATH:/opt/java/jdk1.6.0_35/bin
12. $ export PATH
13. $ javac
In addition to the fact, that Firefox actually doesn't see the java, there's also a problem with JAVA_HOME and PATH variables - they only save their values for the current session.

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Is it possible to use 32-bit firefox with 64-bit java plugin?

Is it possible to use 32-bit firefox with 64-bit java plugin?
I'd like to use 32-bit firefox and I already install 64-bit java plugin.
Is that a right choice not to install 32-bit java plugin?
Will these cause problem?
Thanks in advance.
Regards,
Sean

Nope - you need the 32bit Java to go with the 32bit Firefox if you want Java to run

Webex - 32-bit firefox + 32-bit java [solved]

Hi all,
I am having trouble getting my 32-bit firefox and 32-bit java working together nicely. I installed both from the AUR and in order for firefox (32-bit) to see the plugins, I manually export the MOZ_PLUGIN_PATH and JAVA_HOME. Once I do that, I can see I have java, but once I go to the java test site, the applet fails to load. I linked the libnpjp2 library, is there anything else special I need to do? Also, I have the same problem at the webex test site. Since java apparently is not properly configured, the applet there also does not start.
Walter
Last edited by walterjwhite (2013-03-22 14:56:34)

I am no longer using specifically a 32-bit browser, I just enabled the multilib repository and nspluginwrapper which pulls in 32-bit compatiblity libraries which I need for something else. I have it working now to my satisfaction.
Walter

Jave 32 Bit or 64 bit version

Please be patient with my posting as I am going to ask questions that may sound stupid but since I don't know much about Java technology, it would help me understand some things.
1) Does Java has a 32 bit and 64 bit versions or Java can be installed on 32 or 64 bit server platforms?
2) Trying to figure out what version I have installed. If I go to command prompt and type "java -version", i get the following:
java version "1.3.1_01"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1_01)
Java HotSpot(TM) Client VM (build 1.3.1_01, mixed mode)
If I go to Control panel, and click on Java and "About", i see the following:
Version 1.5.0 (build 1.5.0_04-b05)
If i go to System properties, and go to "Environment Variables" and look under system variables, i see that Java is installed in the following directory:
Java Name: JAVA_HOME
Variable Value: D:\j2sdk1.4.2_07
So as you can see that I am looking at different versions (builds) and not really sure which one is actually installed on the server. Any help in regard would be greatly appreciated.
Thanks,
Feddie

1) Does Java has a 32 bit and 64 bit versions or Java can be installed on 32 or 64 bit server platforms?This is not an "or" issue. Java does have both a 32 and 64 bit version. If you OS is 64 bit, you can use the 64 bit version. If your OS supports 32 bit emulation, you can also use 32 bit.
The 64 bit version currently does not have a plugin or hotspot compiler.
I don't know what a "server platform" is, but I have both on my computer.
2) Trying to figure out what version I have installed. If I go to command prompt and type "java -version", i get the following:You definately have 1.3.1_01 because it runs and tells you its version.
You definately have 1.5.0_04-b05 because it runs and tells you its version.
You may have j2sdk1.4.2_07 - why not look in the location to make sure?
So as you can see that I am looking at different versions (builds) and not really sure which one is actually installed on the serverSure, I currently have about 10 different VMs installed. The key is understanding how to use them - i.e. understanding your OS.

Java 64-bit Windows 7 - Error with Tomcat Install

Downloaded and ran jre-6u20-windows-i586-s.exe on a Win host (Dell PowerEdge R610 with 16 Core 2.27 GHz Intel Xeon) running Windows 7 64-bit. The website said if you're running a 64-bit Windows OS then download that file.
When I run the command "java -version" it says,
"C:\Users\plozanci>java -version
java version "1.6.0_20"
Java(TM) SE Runtime Environment (build 1.6.0_20-b02)
Java HotSpot(TM) Client VM (build 16.3-b01, mixed mode, sharing)"
I'm trying to install Apache Tomcat 6.0.26. Getting the error: "[206 javajni.c] [error] %1 is not a valid Win32 application."
After searching the web, it looks like the Tomcat is looking for a 64-bit JRE but encountering a 32-bit version. I thought that the jre-6u20-windows-i586-s.exe file had the 32-bit & 64-bit versions. If this is true, how do I get Tomcat to use the right version?
If its false, where is the 64-bit version for Windows 7?

No. They are separate installers. The 32bit will run on a 64bit OS, but it is not 64bit. If you need the 64bit, you will need to download the 64bit installer.
You will need: jre-6u20-windows-x64.exe
Go: http://java.sun.com/javase/downloads/index.jsp
select: Download JRE
select: Windows x64
Happy downloading!
-Roger

How to set Java 64-bit as the default?

Hey everyone, I need to use Java 64-bit in Mac OS X Lion and I thought it defaulted to using the 64-bit JDK until I ran Minecraft which stated I was running the 32-bit JDK and if I deselect the 32-bit entry in Java Preferences it deselects the 64-bit entry as well. Does anyone know of a way to make OS X default to the 64-bit version, I also make use of the 64-bit JDK on Windows to ensure my Java applications in NetBeans run correctly on either flavour.
I did try using the OpenJDK 7 and downloaded the 64-bit runtime and installed it correctly and confirmed it was running but when running the Minecraft.app I was greeted with a message saying no compatible JDK 1.5+ was installed and when using the Terminal, it was failing to logon correctly, but was working fine in the standard JDK but like I said, I'm stuck with 32-bit in that case.
Regards, Wobby.

Does minecraft support 64-bit Java?
There isn't really a default java, but you can set the order for your preferred java. Go to the Java Preferences (/Applications/Utilities/Java Preferences) and on the General tab just make sure the 64-bit java is first (you can click and drag them to change the order).
You might also try disabling the 32-bit java by unchecking the "ON" check box next to it and see if Minecraft will run and with which Java (if shouldn't be able to launch the 32-bit one if it is off).
Good luck!

Where's a 64-bit Firefox?

This question was probably asked before, but I guess it's important to keep asking so that the developers will realize that this is actually important.
I'm running a 64-bit Windows 7 for a few years now. I'm not sure if they even make 32-bit processors anymore. Any new PC you see advertised comes with Windows 8 64-bit. Both versions of Windows come with 64-bit IE. To be honest, the 32-bit IE is not only included, but is also default, but this is for the sake of backward compatibility. Opera is available in 64 bit, and so is Firefox, but only for Linux and Mac OS.
So where's the 64-bit Firefox for Windows? For years we've been hearing about plugins. Now, both Flash and Java are available in 64-bit. 64-bit Nightly works perfectly, I run it for years without any problem. Third-party builds also exist and work fine. So why not make an effort and promote the 64-bit Nightly higher up the production chain?
Sometimes we hear about "other priorities". But let's be honest here - what other priorities? I'm not sure why would I care about HTML5 - YouTube already works, and I don't see why should I care if it's in Flash or HTML5. Same about most other "cutting edge" features. I don't think I notice them. But I do notice that I have to run a 32-bit application on a 64-bit machine. Some people ask - what's the advantage of using 64-bit Firefox? I ask, why should I run a 32-bit application on a 64-bit machine? Just because it works? That's just not good enough.
So, enough with the excuses, just do it! That's what people are waiting for, not the "Firefox OS" (now why would I buy anything from a "proudly non-profit" company?)!

unifex_, Sorry to disappoint. It may be an interesting topic but not one to discuss here!
We do try to be polite and give at least a brief answer to such questions, but this is not the place to ask, discuss or obtain answers on development issues and Firefox enhancements.
This is a support forum answered by fellow users and not a place that gets developer attention.
*You could give a brief comment in the feedback option http://developer.mozilla.org/ That info is at least categorised and logged.
*Other than that you could try trawling through the developer's fora, to see if the subject is on topic for discussion there. http://www.mozilla.org/about/forums/#general-development
** http://www.mozilla.org/about/forums/#firefox-dev
*Or you could discuss with other enthusiasts on mozillazine http://forums.mozillazine.org/index.php
A previous discussion attempt
* ''Why firefox 64 bit for windows is not available?'' [/questions/944092]
(Note an Admin locked that as being off topic. )

When will Firefox offer a 64-bit version ? I use my 32-bit Firefox,but keep my 64-bit Waterfox and Pale Moon ready, when Firefox crashes on Windows 8.

I am a Firefox Veteran. Been around since the NCSA web browser days and used the first Firefox web browsers. I have never liked or trusted Microsoft Windows, so I've never used Internet Explorer. I had tweaked Windoze Blue Screen Of Death software from the Windows 3.0 days and did minor maintenance on the "Pizza Boxes" to keep them alive until I or my duty station could afford a newer one. Firefox has always performed for me working for "Uncle Sam" or at home. I keep Firefox and the versions: Sea Monkey, Aurora, Nightly on my laptop because I like Firefox and I like to switch from one browser to the other sometimes -- plus, in a Windows crash, I have a backup browser. Windows always "Crashes"; somethings never change. My 32-bit Firefox doesn't seem as reliable on my 64-bit 'Windoze' 8 as it was on Windows 7. My hope is that some of the Firefox Gurus have a 64-bit Firefox up on blocks in the shed out back ready to rock and roll or at least release as experimental to be played with and tested. Thanks guys -- Keep up the good work. Sam

Someday. This is a question asked multiple times but the answer is always the same, there is no real benefit to moving to 64 bit Firefox, and the amount of work required to do something with no benefit makes this a low priority. Eventually it will happen, but just because it uses 64bit doesn't magically make things better.

Windows Vista 64 bit/firefox browser -which flash?

Hi, Can you please tell me what version of flash to install on Windows Vista 64 bit/ firefox browser?..Thanks!

Well, Firefox doesn't make a 64-bit version, so it won't use any 64-bit plugins, as far as I know.
Likewise, in IE10 (in Win7 or 8... MS blackmail encouraging you to update), unless you've checked Enable Protected Mode on the Security tab, AND have checked Enable Enhanced Protected Mode way down in the Security section on the Advanced tab (both tabs are in Internet Options), even if you explicitly run the 64-bit iexplore.exe file located in C:\Program Files\Internet Explorer\ subdir, it actually loads a 32-bit tab in the 64-bit window, and any page loaded in that 32-bit tab will use 32-bit plugins and add-ons. To force it to load 64-bit tabs in the 64-bit window (and ergo use 64-bit plugins and add-ons, such as the 64-bit ActiveX version of FlashPlayer, if available), both of those Protected Mode options must be checked.
You can confirm that by looking in Task Manager on the Processes tab... without those Protected Mode options checked, you'll see an instance of iexplore.exe (for each 64-bit window) and an instance of iexplore.exe *32 (32-bit) for each tab open; WITH those Protected Mode options checked (then fully close all instances of Internet Explorer - just reboot to make sure), all you'll see is an instance of iexplore.exe for each 64-bit window, plus an instance of iexplore.exe for each tab open... and in that case you shouldn't see *any* instances of iexplore.exe *32 on the Processes tab.

When will get 64-bit PDF converter for 64-bit Firefox variants (Cyberfox, Waterfox, etc.)

I use 64-bit Firefox variants (Cyberfox, Waterfox, etc.), and am frustrated that the PDF Converter addin with Acrobat Pro X and XI does not yet work with them. I understand that a 64-bit DLL is needed for the add-in to work. Inasmuch as the PDF converter works with 64-bit IE-9 and IE-10 and Office2007/2010, I am at a loss to understand why a 64-bit PDF converter add-in for Firefox 64-bit variants is not available. WHEN?
Thank you.

Someday. This is a question asked multiple times but the answer is always the same, there is no real benefit to moving to 64 bit Firefox, and the amount of work required to do something with no benefit makes this a low priority. Eventually it will happen, but just because it uses 64bit doesn't magically make things better.

Can I run 32 bit firefox on my Windows 7, 64 bit and how ? Flash player loads slow.

Can I run 32 bit Firefox on my Windows 7, 64 bit and how do I do that? Flash player loads videos slowly. You tube videos are mostly loading slowly or hanging up. It seems to have happened after the last Firefox update.

Dibbens wrote:
According to website I have Flash Player installed but I cannot run a program (BBC iPlayer DeskTop) that requires 64 Bit Flash player Any ideas?
Does that program require the Flash Player ActiveX Control, or the plugin? If you only have the ActiveX Control (for Internet Explorer) installed, then you may also need the plugin (for other browsers). Get it from http://get.adobe.com/flashplayer/otherversions/

Embedded Google search on our website is not showing results. Windows 8, 64 bit, Firefox 30

We have Google Search embedded in our website. It was brought to my attention by one of our employees that Firefox is not showing the results of the search after the search button is clicked. The issue seems to be only confined to Firefox. Tested the issue on Internet Explorer 10 and Google Chrome and both are working as expected, showing the results on our results page.
I am using Windows 8, 64 bit, Firefox 30. The user having the issue is on Windows 7, 64 bit.
I used the Web console and there were an error message of
'TypeError: google.search.Search.apiary5337 is not a function'.
I am not sure this is the root of the issue or not, but why would this work in Chrome and Internet Explorer and not in Firefox?
If you need to check it, out website is http://www.dmns.org/ . The search box it on the top right of the page. You will see that the page redirects to our '/results?q=searchterm'. We are a science institution so if you type "science" in the search box, you will get redirected to the '/results' page with the query string of 'science' for the search term. But in my case the search results below are blank. If you do the same search if Chrome or IE the results show fine.
Oh, I do not have any add on installed on Firefox.
Any suggestions or a fix would be great.
Thank you.
Carlos Mosqueda

Problem SOLVED.
This is probably still a bug in Firefox. Our Google Search <script> that call the Javascript service from Google was within the Body tag. I moved the Script tag to the head and now it seems to work as expected. In the new Firefox, are <script> tags not allowed within the Body element?

How do I replace 32-bit Firefox 3.6 with a 64-bit "current version"?

Since my computer is a 64-bit system, I want to replace as much 32-bit software with 64-bit compilations and, as much as I can, abandon executables that can't be replaced.
Assuming that Mozilla has released a 64-bit compilation of Firefox, how do I identify it and obtain it?
"Firefox Setup 8.0.1.exe" doesn't tell me whether it installs 32-bit or 64-bit instead. The automagic Firefox Update sometimes wants to replace the 32-bit version 3.6 with a 32-bit "current version" that is not an actual update to 3.6.
One reason that I have continued running version 3.6 is that there is no compelling reason to replace an installed 32-bit application with some "upgrade" of the same 32-bit application on this computer. In fact, if Mozilla doesn't get off the dime and release a 64-bit compilation which it is willing to maintain, I will make the move the Chrome.

At this point in development it looks like the earliest that Mozilla will have officially supported 64-bit Firefox releases (for Windows) will be Firefox 12.0.
There is still a fair bit of work yet to do to get stable win 64-bit Firefox releases. If it was so easy, then there would have been 64-bit builds for Windows as early as Firefox 4.0. It was targeted for Firefox 8.0 originally (at end of June) then probably at 10.0 (mid August) and now they hope to get it done for 12.0.
https://wiki.mozilla.org/Platform/2011-11-22
MSVC 2010 Migration (targeting Gecko 12) - khuey
Builders are ready to go.
Tests are green.
Perf numbers look good.
Client side updater requirements are done.
This was a big part in the steps to have 64-bit builds on Windows.
For reading as Bugzilla is not a forum.
[https://bugzilla.mozilla.org/show_bug.cgi?id=471090 Bug 471090] - (tracking_win64) [meta] Windows x64 build tracking bug
[https://bugzilla.mozilla.org/show_bug.cgi?id=558448 Bug 558448] - (support-win64) [Tracking bug] officially support Windows 64-bit builds

32 bit Firefox Segmentation fault on 64 bit host

Hi,
I'm running CentOS 5.2 x86_64 (64 bit). I've done may
installs and got flash working using a 32bit firefox.
This is a newly installed host and I have a 32 bit firefox
installed yet flash 10 always causes a segmentation fault when I
access a web page that has flash content.
strace on firefox shows:
write(2, "/usr/lib/firefox-3.0.4/run-mozil"...,
97/usr/lib/firefox-3.0.4/run-mozilla.sh: line 131: 6278
Segmentation fault "$prog" ${1+"$@"}
I can't see the problem. As I said previously, I've had
firefox and flash (32bit) working perfectly happliy on 64 bit
before but it is now broken.
Any with any clues?
Thanks in advance.

Pl post details of exact OS, database and client versions.
Yes, you can install 32-bit client software, as long as you use a separate ORACLE_BASE and ORACLE_HOME to do so.
HTH
Srini

IE 10 on Windows 7 - 64bit: Pointing to Java 32-bit or 64-bit

Hello,
I have a Windows 7 64-bit machine with IE10 currently installed. I also have Java 32-bit and Java 64-bit installed on the machine, as both are necessary for an array of applications.
I have an application that must be invoked with Java 32-bit. When trying to open the application I am receiving a "cannot load 32bit dll on..."
I realize this exception is because the application is trying to be opened using the Java 64-bit version and this will not work.
Is there a way to set IE10 so it uses the 32-bit version of Java when trying to open this specific application, other than editing the registry settings on the machine?

Hi,
File>Properties
what IE security zone does your page map to?
Tools>Internet Options>Security tab, security zone... by default Enhanced Protected mode is turned off for the Trusted and Intranet zones...
If your java rt app requires the 32bit environment... (viz will not run within a x64 browser process)..
then you need to add a feature test to your page.
If(navigator.platform.indexOf('32')>-1){// show message that browser is using an incompatible platform)
Usually IE will show a warning asking to remove a site from EPM (64bit mode), if it detects that no x64 bit version of the Java RT is available (installed/enabled).
Post questions about html, css and scripting for website development to the IE Web Development forum... include with your questions a link to your website or a mashup.
Regards.
Rob^_^

On Win 7 64 bit, Firefox 7, 8 and Nightly all refuse to see Flash. I have uninstalled, installed Flash 11 several times and FF just doesn't see Flash. Anyone got a fix?

On Win 7 64 bit, Firefox 7, 8 and Nightly all refuse to see Flash. I have uninstalled, installed Flash 11 several times.

There are two different versions of Flash, the '''''ActiveX''''' version for IE and the '''Plugin''' version used by most other browsers.
1.Download the Flash Plugin version setup file from here: 
[http://fpdownload.adobe.com/get/flashplayer/current/install_flash_player.exe Adobe Flash - Plugin version]. 
Save it to your Desktop. 
2. Close Firefox using File > Exit 
then check the Task Manager > Processes tab to make sure '''firefox.exe''' is closed, 
{XP: Ctrl+Alt+Del, Vista: Shift+Ctrl+ESC = Processes tab}
3. Then run the Flash setup file from your Desktop.
4. Start Firefox and test your installation here: https://www.adobe.com/software/flash/about/
* On Vista and Windows 7 you may need to run the plugin installer as Administrator by starting the installer via the right-click context menu if you do not get an UAC prompt to ask for permission to continue (i.e nothing seems to happen). 
See this: 
[http://vistasupport.mvps.org/run_as_administrator.htm]

Java 32 bit runtime under 64 bit firefox ?

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